Add a Background Image to a Message in Outlook
To insert an image to the background of an email you are composing in Outlook:- Make sure the message you compose uses HTML formatting.
- Position the cursor in the message body.
- Make sure the Options ribbon is active and expanded.
- Click Page Color in the ribbon's Themes section.
- Select Fill Effects... from the menu that has appeared.
- Go to the Picture tab.
- Click Select Picture....
- Find and highlight the desired background image.
- Click Insert.
- Now click OK.
Add a Background Image to a Message in Outlook 2000, Outlook 2002 and Outlook 2003
To add a background image to a message in Outlook (provided that you do not use Word for editing emails):- Start composing a new email using HTML formatting.
- Open the message's Format Text ribbon, for example, and make sure HTML is selected in the Format section.
- Click in the body of the message.
- Select Format | Background | Picture... from the menu.
- Use the file selection dialog to pick an image from your disk.
- Click OK.
If you do not want the background image to scroll, you can prevent that, too.
Add a Background Image to a Message in Outlook for Mac
To use an image in the background of an email you are writing in Outlook for Mac:- Make sure the email is set to use rich HTML formatting.
- Go to the Options ribbon, for example, and make sure HTML is enabled in the Format Text section.
- Make sure the Options ribbon is active and expanded in the message composition window.
- Click Background Picture.
- Locate and highlight the image you would like to use.
- Click Open.
(Tested with Outlook 2000–2016 on Windows and Outlook for Mac 2016)